Finding the Fourth Proportional to 2,119,132.26, 3,178,698.38 and 623,224.26
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Solution
The fourth proportional to 2,119,132.26, 3,178,698.38 and 623,224.26 is: 934,836.38
Step by Step Solution
- Step 1: Write the proportion equation
2,119,132.26 : 3,178,698.38 = 623,224.26 : x - Step 2: Convert to fraction form
2,119,132.26/3,178,698.38 = 623,224.26/x - Step 3: Cross multiply
2,119,132.26x = 3,178,698.38 × 623,224.26 - Step 4: Simplify right side
2,119,132.26x = 1,981,041,929,745.21 - Step 5: Solve for x
x = 1,981,041,929,745.21/2,119,132.26 - Step 6: Final answer
x = 934,836.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.